Free examples library
Case study examples you can copy the structure of
Six complete examples for freelancers, consultants and agencies — copywriting, design, consulting, development, a retainer, and one written without any metrics at all. Each shows the full challenge, solution, results and quote, plus a short note on why it works.
Illustrative composites, not claims about named clients.
Example 1 · Email copywriting · e-commerce
Email went from 9% to 24% of monthly revenue in three weeks
Challenge
A skincare brand doing $180k/month had a welcome flow written in 2022 and no abandoned-cart sequence. Email was an afterthought, so every revenue gap was closed with a sitewide discount.
Solution
Rewrote the welcome flow around the founder's origin story, added a three-email cart sequence and a post-purchase flow that asked for a review before it asked for a reorder. Nothing new was built: same platform, same list, different copy.
Results
- Email share of revenue: 9% → 24% in three weeks
- Abandoned-cart recovery: $0 → $11k in the first month
- Discount promotions cut from weekly to monthly
“Our flows were basically off. Three weeks after the rewrite, email went from 9% to 24% of monthly revenue and we finally stopped discounting to hit targets.”
Why it works: The headline is the result, not the service. Every number has a timeframe, and the last result line is a business change a founder feels even without a dashboard.
Example 2 · Brand design · B2B SaaS
A rebrand that cut the sales cycle by nine days
Challenge
A workflow SaaS selling to enterprise ops teams looked like a side project. Prospects asked how many people worked there, and deals stalled in legal review while procurement checked the company was real.
Solution
Rebuilt the identity around the credibility signals procurement looks for: a restrained palette, a real photography system, security and customer pages, and a one-page deal sheet the sales team could attach to every proposal.
Results
- Average sales cycle: 41 → 32 days
- Proposal-to-close rate: 22% → 31% over two quarters
- Two enterprise logos closed that had previously gone quiet
“Nobody asks if we're a real company anymore. That question used to cost us a week in every deal.”
Why it works: Design work is hard to measure, so the results borrow the client's sales metrics. The quote handles the objection directly instead of praising the visuals.
Example 3 · Consulting · operations
Two days a week given back to the founding team
Challenge
A 14-person agency was profitable but chaotic. Project status lived in three tools and both founders spent most of Monday and Friday reconstructing where work stood.
Solution
Ran a two-week audit, cut the stack to one project tool, wrote a one-page delivery process each account manager could run without a founder in the room, and trained the team on it over three sessions.
Results
- Founder time on status reporting: ~16 hours/week → ~3
- Projects delivered late: 6 of 20 → 1 of 22 the following quarter
- Two account managers promoted to run delivery independently
“I got two days a week back. We took on two more retainers without hiring anyone.”
Why it works: Time saved is converted into what the client did with it. That is the part buyers actually price.
Example 4 · Web development · marketplace
A checkout rebuild that recovered 18% of abandoned orders
Challenge
A rental marketplace was losing buyers at payment. The checkout took eleven seconds to load on mobile and failed silently when a card was declined, so support only heard about it when a customer emailed.
Solution
Rebuilt checkout as a three-step mobile-first flow, moved payment handling server-side with clear decline messaging, and added error logging so failures were visible the same day.
Results
- Mobile checkout load: 11s → 1.4s
- Completed orders: +18% within six weeks, same traffic
- Payment support tickets down roughly two thirds
“We assumed it was a demand problem. It was a checkout problem, and it took six weeks to fix.”
Why it works: The technical detail stays in the solution; the results stay in the language of the business. That split is what makes dev case studies readable to buyers.
Example 5 · Agency retainer · paid social
Cost per lead cut in half across two quarters
Challenge
A B2B training company was buying leads at €96 each from a single campaign and could not scale spend without the cost climbing further.
Solution
Split the account into three audience tracks, replaced stock creative with customer-recorded clips, and moved budget weekly based on cost per qualified lead instead of cost per click.
Results
- Cost per qualified lead: €96 → €47
- Monthly spend scaled from €12k to €31k at the lower cost
- Sales-accepted leads: 38 → 104 per month
“The reporting is the part I did not expect. I know every Monday what we're paying per real lead, so approving more budget is an easy decision.”
Why it works: Scaling spend while cost drops is the proof point. The quote sells the working relationship, which is what retainer buyers are really deciding on.
Example 6 · No metrics available · coaching
From no pipeline to a three-month waitlist
Challenge
An executive coach relied entirely on referrals, with no way to predict whether the next quarter would be full or empty.
Solution
Built a weekly writing habit around three client themes, a simple discovery call page, and a follow-up sequence for everyone who did not book on the first call.
Results
- Booked out roughly three months ahead, versus week to week before
- Discovery calls arriving through writing rather than referrals only
- Raised rates twice in a year without losing a client
“I used to open my calendar hoping. Now I am turning people away politely, which is a much better problem.”
Why it works: No hard numbers were available, so every result is an observable change with a timeframe. This is honest, and clients approve it far faster than an invented statistic.
The checklist behind every example above
- A headline that states the result, not the service you sold
- A challenge written in the client's own situation, before you appear in the story
- One decision in the solution that a competitor would not have made
- At least one number, or an observable change with a timeframe
- A quote in the client's voice, kept unedited apart from filler
- A visible next step for the reader who has the same problem
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